Square array a(m,n) read by antidiagonals, where a(m,n) is the number of ways to move a chess queen from the lower left corner to square (m,n), with the queen moving only up, right, or diagonally up-right.

A132439

Square array a(m,n) read by antidiagonals, where a(m,n) is the number of ways to move a chess queen from the lower left corner to square (m,n), with the queen moving only up, right, or diagonally up-right.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =2a(6) =4a(7) =7a(8) =7a(9) =4a(10) =8a(11) =17a(12) =22a(13) =17a(14) =8a(15) =16a(16) =40a(17) =60a(18) =60a(19) =40a(20) =16a(21) =32a(22) =92a(23) =158a(24) =188a(25) =158a(26) =92a(27) =32a(28) =64a(29) =208

External references